Monitoring pH and energy metabolim in subacute stroke using 31 P and 1 H MRSI
Ulrich Pilatus 1 , Johann-Philipp Zllner 2 , Elke Hattingen 1 , and Oliver Singer 2
Neuroradiology, Goethe-University Frankfurt,
Goethe-University Frankfurt, Germany
31P and 1H Magnetic resonance spectroscopic imaging
(MRSI) was used to measure pH and energy metabolism in
subacute stroke (mean of 6 days after stroke). We found
two inorganic phosphate signals in stroke tissue, which
indicates a fraction at alcalotic pH (7.38) and one at
regular pH (7.03). High energy metabolites were
decreased but not totally depleted.
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